Wittgenstein on Truth
Issue: Issue 03 • Author/s: Paul Horwich
Topics: History of Analytic Philosophy, Philosophical logic, Philosophy of language
The topic is Wittgenstein’s eventual abandonment of his Tractatus idea that a sentence is true if and only if it depicts a possible fact that obtains, and his coming (in the Investigations) to replace this with a deflationary view of truth. Three objection to the initial idea that will be discussed here are: (i) that its theory of ‘depiction’ relies on an unexplicated concept of word-object reference; (ii) that its notion of a possible fact obtaining (or existing, or being actual, or agreeing with reality) is also left mysterious; and…
Logical Essence [Special Issue]
Issue: Issue 14 • Author/s: Jessica Leech
Topics: Epistemology, Metaphysics, Modal Logic, Ontology, Philosophical logic
An increasingly popular view at the intersection of logic and metaphysics is that logical necessities have their source in the essences of logical entities: metaphysical necessity has its source in the essences or natures of things, and logical necessity is a restriction of metaphysical necessity. But logical and metaphysical necessity are, nevertheless, importantly distinct: there are metaphysical necessities that are not logical necessities. I raise a serious problem for this essentialist view. It seems as though they must misclassify some merely metaphysical necessities as logical necessities. I argue that the…